Crown at midnight UA - Sara Maas

"The most fearless of all female assassins, Adarlen, is only eighteen. Selena is an outstanding assassin who managed to win a dangerous competition and win the title of royal protector. However, she was promised such a dream of freedom, but in return, the girl is not even able to give free rein to her heart. A greater burden on her soul had never been before: if she cold-bloodedly killed an enemy so hated by her, it would mean a death sentence for everything she held dearest in her life. It would seem that the choice is simple, because she is a killer. But does a killer have a heart? Anyway, Selena will to decide what to fight for: for love, for survival, or for the future of the kingdom."